Cascara Buckthorn

Frangula purshiana (DC.) A. Gray - Buckthorn family

Size

Mature Height: Up to around 35.0 feet

Plant Type: Tree, Shrub

Features

Flower Color: White

Bloom Time: Early Spring, Mid Spring, Late Spring, Early Summer

Conditions

Shade Tolerance: Tolerant

Ecosystem Interactions

Pollinators: Larval Host (Moth); Hummingbirds

Larval Species depending on Cascara Buckthorn: Adelphagrotis stellaris, Aethalura intertexta, Autographa mappa, Caloptilia diversilobiella, Campaea perlata, Ectropis crepuscularia, Euchlaena johnsonaria, Euchlaena tigrinaria, Eupithecia columbiata, Eupithecia ravocostaliata, Hyalophora euryalus, Hyalophora kasloensis, Lophocampa argentata, Malacosoma californica california, Melanolophia imitata, Neoalcis californiaria, Orgyia vetusta, Orthosia hibisci, Selenia alciphearia, Sorhagenia nimbosa, Spilosoma virginica, Synaxis cervinaria, Triphosa californiata, Triphosa haesitata

Native Range

CAN: British Columbia
USA: California, Idaho, Montana, Oregon, Washington
MEX: Mexico Northeast

Regional Native Status: L48 (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.